A small centrifugal pump for circulating cryogenic helium
A small centrifugal pump is described which has been developed to circulate supercritical helium through a test loop for superconducting magnets. The pump has a fully enclosed warm and which contains the adjustable speed brushless DC drive motor and self-acting bearings operating in helium gas. The drive and bearing system is designed to minimize contaimination to the circulating supercritical helium in the test loop. The performance data which have been obtained show that the pump operates very close to its design specifications. Additional tests are planned to provide a more complete range of performance data for the pump. Subsequent record discussion concerned the pump shaft and the efficiency of the heat leak to the heat station. Efficiency of at least 65% is attainable with this pump, including all heat leak.
- Research Organization:
- Creare, Inc., Hanover, NH
- OSTI ID:
- 6308902
- Report Number(s):
- CONF-810835-
- Journal Information:
- Adv. Cryog. Eng.; (United States), Journal Name: Adv. Cryog. Eng.; (United States) Vol. 27; ISSN ACYEA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BEARINGS
CENTRIFUGAL PUMPS
CIRCULATING SYSTEMS
CRYOGENICS
DESIGN
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
EQUIPMENT
FLUIDS
GASES
HELIUM
ISABELLE STORAGE RINGS
MAGNETS
MOTORS
NONMETALS
PERFORMANCE
PUMPS
RARE GASES
STORAGE RINGS
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS